Home / 496,976.40-685,890.72-370,013.76

Finding the Fourth Proportional to 496,976.40, 685,890.72 and 370,013.76

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Solution

The fourth proportional to 496,976.40, 685,890.72 and 370,013.76 is: 510,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,976.40 : 685,890.72 = 370,013.76 : x
  2. Step 2: Convert to fraction form
    496,976.40/685,890.72 = 370,013.76/x
  3. Step 3: Cross multiply
    496,976.40x = 685,890.72 × 370,013.76
  4. Step 4: Simplify right side
    496,976.40x = 253,789,004,256.31
  5. Step 5: Solve for x
    x = 253,789,004,256.31/496,976.40
  6. Step 6: Final answer
    x = 510,666.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.